# Rejection Matrix > For every rejected grammar correction, determine whether rejection was correct or incorrect. | Filter | Total Rejections | Correct | Incorrect | Precision | |---|---|---|---|---| | PunctuationGuard | 32 | 32 | 0 | 100% | | TanweenGuard | 30 | 30 | 0 | 100% | | LatinGuard | 9 | 9 | 0 | 100% | | DigitGuard | 5 | 5 | 0 | 100% | | IVtoOOV | 3 | 3 | 0 | 100% | | Jaccard_03 | 2 | 2 | 0 | 100% | | StageLocker | 1 | 1 | 0 | 100% | | **TOTAL** | **82** | **82** | **0** | **100%** | ## Incorrect Rejections (Valid Corrections Blocked) None detected — all rejections appear correct.